/*
 * Copyright (c) 2022 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "hilog_realloc.h"
#include "securec.h"

namespace OHOS {
namespace ACELite {
void *HilogRealloc::Realloc(void *ptr, size_t size, size_t srcSize)
{
    if (size == 0) {
        return nullptr;
    }
    if (srcSize >= size) {
        return ptr;
    }
    if (ptr == nullptr) {
        return malloc(size);
    }

    void *newPtr = malloc(size);
    if (newPtr == nullptr) {
        return nullptr;
    }
    if (srcSize > 0) {
        memcpy_s(newPtr, size, ptr, srcSize);
    }
    free(ptr);
    return newPtr;
}
} // namespace ACELite
} // namespace OHOS